JEE Advanced 2012 Paper 2 Chemistry Q10

Chemistry · Titrations: Acid-Base, Complexometric, Redox, Precipitation · Chemical Reactions & Stoichiometry

Problem

25\,\mathrm{mL}

of household bleach solution was mixed with

30\,\mathrm{mL}

0.50\,\mathrm M

KI and

10\,\mathrm{mL}

4\,\mathrm N

acetic acid. In the titration of the liberated iodine,

48\,\mathrm{mL}

0.25\,\mathrm N

\mathrm{Na_2S_2O_3}

was used to reach the end point. The molarity of the household bleach solution is